Home / 14,612.24-21,907.02-7,211.60

Finding the Fourth Proportional to 14,612.24, 21,907.02 and 7,211.60

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Solution

The fourth proportional to 14,612.24, 21,907.02 and 7,211.60 is: 10,811.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.24 : 21,907.02 = 7,211.60 : x
  2. Step 2: Convert to fraction form
    14,612.24/21,907.02 = 7,211.60/x
  3. Step 3: Cross multiply
    14,612.24x = 21,907.02 × 7,211.60
  4. Step 4: Simplify right side
    14,612.24x = 157,984,665.43
  5. Step 5: Solve for x
    x = 157,984,665.43/14,612.24
  6. Step 6: Final answer
    x = 10,811.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.